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Vật Liệu: Mạ Kẽm Nhúng Nóng - Lõi Chống Gỉ Vĩnh Cửu
…Sự khác biệt nằm ở quy trình mạ kẽm nhúng nóng (Hot-Dip Galvanizing). Mỗi thanh thép sau khi định...
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